6. Schematic Diagram
6.2. MAIN-1
POWER
SGND
SGND
SGND
SGND
- 63V
-63 V
-63 V
-63 V
- 63V
+63V
+63V
+63 V
+63 V
+63 V
FROM SMPS
MGND
SGND
DGND
DGND
VPS
P-ON
A-5V
+VFD
-VFD
-VP
12V
ST5.3V
ST5.3V
DGND
AGND
MDGC
4
DGND
MGND
MGND
DGND
DGND
MGND
DGND
MGND
S_GND
AGND
S_GND
AGND
S_GND
DGND
DGND
DGND
MGN
D
DGND
DGND
AGND
12V_PW
RF3. 3V_PW
1SR154- 400TE25
1SR154- 400TE25
PD4
PD5
ST5.3V_PW
1
/
1
0
W
SRC1203S
1SR154- 400TE25
1SR154- 400TE25
PD3
UNDEFI NED
0. 01OHM
CB2012UA300T
M5V_PW
MPR12
3. 3KOHM
VF_VP_PW
ST5 .3V
ST5.3V_PW
+VFD
M
E
G
N
D
P_ON
UNDEFI NED
0. 01OHM
V
P
S
B
P_ON
CB2012UA300T
0. 01OHM
UNDEFI NED
ST5V_PW
PD1
-
5
4
V
5
12
2
.
2
U
F
1
0
V
VARI _SMPS
+
5
4
V
5
+
5
4
V
4
1/ 16W
P
O
N
CON13
AGND1T
A
-
5
V
2
D
G
N
D
5
T
-
V
F
D
5
T
-
V
P
5
T
1
N
F
+63V
A
P
T
P
1
5
0
V
400V
1SR154- 400TE25
UNDEFI NED
5
0
V
1
0
K
O
H
M
- 63V
-63V
- 51V
-
5
1
V
UNDEFINED
1
0
0
A
S
C
2
0
ADJ3
ADJ4
ADJ8
ADJ9
PBD3
1
0
0
N
F
7
1
MP1. 35V_PW
MP3. 3V_PW
M5V_PW
M5V_PW
MP1. 35V_PW
M+8V_PW
- VFD
A-5V_PW
12V_PW
A5V_PW
ST5.3V_PW
M5V_PW
MP3.3V_PW
USB5V_PW
PD2
5
0
V
2
2
0
N
F
A
S
C
1
2
2
2
0
N
F
5
0
V
A
S
C
1
4
A
S
C
7
A
S
C
3
A
S
C
2
S
G
N
D
5
UNDEFI NED
CB2012UA300T
PBD5
CB2012UA300T
UNDEFI NED
PBD1
2
0
0
2
2
W
S
-
1
2
A
0
0
AGND1
M
P
3
.
3
V
1
0
0
N
F
1
0
V
1
/
1
6
W
M
P
R
5
1
O
H
M
2
2
U
F
6
.
3
V
M
P
C
3
1
MIC5
LD1117AG- 3. 3V- A
3
2
3
.
3
V
C
T
R
L
T
400V
MPQ1
AO3415AS
M
P
C
2
1
0
U
F
1
0
K
O
H
M
1
/
1
6
W
M
P
R
2
MPQ2
1/16W
MPR3
1KOHM
M
P
C
1
1
U
F
1
0
V
1
0
0
N
F
M
P
C
1
A
1
0
V
1
0
0
K
O
H
M
1
/
1
6
W
M
P
R
4
1
0
0
N
F
M
P
C
9
A
1
0
V
6
.
3
V
2
2
U
F
M
P
C
9
400V
400V
MPL1
4. 7UH *
6
.
3
V
2
2
U
F
M
P
C
8
3
.
3
K
O
H
M
M
P
R
1
1
1
/
1
0
W
3. 6KOHM
1/10W
MPR10
M
P
C
7
1
6
V
3
3
N
F
M
P
R
9
1
/
1
0
W
8
.
2
K
O
H
M
M
P
C
6
2
.
2
N
F
I C3
3
AOZ1051PI
1
7
8
6
MGND1
5
4
2
M
P
R
8
1
0
K
O
H
M
1
/
1
0
W
ADJ7
ADJ6
ADJ5
ADJ2
ADJ1
ASL2
*
8
2
K
O
H
M
330U H
L4
2
5
V
1
0
U
F
A
S
C
2
4
A
S
C
2
3
3
5
V
A
S
R
9
2
2
K
O
H
M
1
2
K
O
H
M
A
S
R
1
0
5
0
V
A
S
C
2
2
4
7
N
F
0OHM
MDGR
4
50V
47NF
1
/
1
6
W
1
0
K
O
H
M
M
P
R
7
1/ 16W
1KOHM
1
0
V
1
0
U
F
1
0
U
F
1
0
V
0. 01OHM
0. 01OHM
PBD6
CB2012UA300T
PBD2
CB2012UA300T
0. 01OHM
P
C
3
1
0
V
2
3
6
8
4
5
PQ1
SI 4435DDY- T1- GE3
1
/
1
0
W
1
0
0
K
O
H
M
P
R
1
PR2
P
C
2
PBD4
P
C
1
P
R
1
A
5
.
1
K
O
H
M
PQ2
V
P
S
T
A
-
5
V
2
T
10KOHM
ASR7
APC21
50V
100N F
MAX5033DUSA
7
4
2
5
3
8
1
6
ASIC1
2
2
K
O
H
M
A
S
R
3
2
2
0
N
F
5
0
V
A
S
C
1
5
A
S
D
1
M
B
R
S
1
1
0
0
T
3
1
0
U
H
A
S
L
1
5
0
V
2
2
0
N
F
5
0
V
2
2
0
N
F
A
S
C
2
1
S_GND
0OHM
MDGR
3
0OHM
MDGR2
47NF
50V
MDGC3
50V
47NF
MDGC2
1
0
0
N
F
5
0
V
A
S
C
1
9
2
2
K
O
H
M
A
S
R
4
2
2
K
O
H
M
A
S
R
5
0OHM
MDGR1
2
2
K
O
H
M
A
S
R
6
5
0
V
2
2
0
N
F
A
S
C
1
6
A
S
C
1
7
2
2
0
N
F
5
0
V
A
S
C
1
8
50V
47NF
MDG
C1
2
2
0
N
F
A
S
C
1
1
5
0
V
5
0
V
2
2
0
N
F
1
0
N
F
1
0
0
V
A
S
C
1
+
5
4
V
3
+
5
4
V
2
+
5
4
V
1
+
5
4
V
T
2
2
0
N
F
5
0
V
A
S
C
1
3
1
M
F
1
0
0
V
A
S
C
9
2
2
0
N
F
5
0
V
100V
1MF
A
S
C
1
0
1
0
0
V
1
M
F
2
2
0
N
F
5
0
V
1
.
5
O
H
M
A
S
R
1
A
S
R
2
1
.
5
O
H
M
S
G
N
D
T
S
G
N
D
1
S
G
N
D
2
A
S
C
8
1MF
100V
2
2
0
N
F
5
0
V
A
S
C
5
A
S
C
6
2
2
0
N
F
5
0
V
A
S
C
4
1
0
0
V
1
0
N
F
0OHM
ASGR2
47NF
50V
ASGC2
S
G
N
D
3
S
G
N
D
4
-
5
4
V
4
-
5
4
V
3
-
5
4
V
2
-
5
4
V
T
-
5
4
V
1
4
SCN1
Y
M
W
0
2
5
-
1
5
R
7
2
11
3
10
5
8
9
1
13
6
14
15
47NF
50V
ASGC1
0OHM
ASGR1
+
V
F
D
5
T
+
V
F
D
5
D
G
N
D
5
-
V
F
D
5
-
V
P
5
DAB
3
MGND1
11
7
4
5
M
G
N
D
2
9
8
12
1
2
6
10
M
P
C
3
A
KST22 22A-TF
3
.
3
V
C
T
R
L
M
P
R
1
400V
A
S
R
8
2
2
U
F
M
P
C
4
M
P
C
5
P
O
N
T
ST5. 3VT
M
G
N
D
T
M
+
8
V
1
T
M
+
8
V
1
*
E
B
C
VI N
VOUT
ADJ
LX
EN
COMP
NC
SS
FB
AGND
VI N
PGND
BST
LX
VD
SGND
GND
VI N
FB
ON/ OFF#
E
B
C
S
D
G
SGND
SGND
SGND
SGND
-
63V
-63 V
-63 V
-63 V
- 63V
+63V
+63V
+63 V
+63 V
+63 V
F
ROM SMPS
MGND
SGND
DGND
DGND
VPS
P-ON
A-5V
+VFD
-VFD
-VP
12V
ST5.3V
ST5.3V
DGND
AGND
DGND
MGND
MGN
D
DGND
DGND
MGND
DGND
MGN
D
S_GND
AGND
S_GND
AGND
S_GND
DGND
DGND
DGND
MGN
D
DGND
DGND
AGND
1
2V_PW
RF3. 3V_PW
1
SR154- 400TE25
1SR154- 400TE25
ST5.3V_PW
1
/
1
0
W
SRC1203S
1SR154- 400TE25
1SR154- 400TE25
UNDEFI NED
0. 01OHM
CB2012UA300T
M
5V_PW
3
. 3KOHM
ST5.3V_PW
U
NDEFI NED
0. 01OHM
CB2012UA300T
0. 01OHM
UNDEFI NED
ST5V_PW
2
.
2
U
F
1
0
V
1/ 16W
1
N
F
+63V
5
0
V
400V
1SR154- 400TE25
UNDEFI NED
5
0
V
1
0
K
O
H
M
-
63V
-63V
- 51V
UNDE
FINED
1
0
0
1
0
0
N
F
M
P1. 35V_PW
MP3. 3V_PW
M5V_PW
M5V_PW
MP1. 35V_PW
M+8V_PW
A-5V_P W
12V_PW
A5V_PW
ST5.3V_PW
M5V_PW
MP3.3V_P W
USB5V_PW
5
0
V
2
2
0
N
F
2
2
0
N
F
5
0
V
UNDEFI NED
CB2012UA300T
CB2012UA300T
UNDEFI NED
2
0
0
2
2
W
S
-
1
2
A
0
0
1
0
0
N
F
1
0
V
1
/
1
6
W
1
O
H
M
2
2
U
F
6
.
3
V
LD1117AG- 3. 3V- A
400V
AO3415AS
1
0
U
F
1
0
K
O
H
M
1
/
1
6
W
1/16W
1KOHM
1
U
F
1
0
V
1
0
0
N
F
1
0
V
1
0
0
K
O
H
M
1
/
1
6
W
1
0
0
N
F
1
0
V
6
.
3
V
2
2
U
F
400V
400V
4. 7UH *
6
.
3
V
2
2
U
F
3
.
3
K
O
H
M
1
/
1
0
W
3. 6KOHM
1/10W
1
6
V
3
3
N
F
1
/
1
0
W
8
.
2
K
O
H
M
2
.
2
N
F
AOZ1051PI
1
0
K
O
H
M
1
/
1
0
W
*
8
2
K
O
H
M
330U H
2
5
V
1
0
U
F
3
5
V
2
2
K
O
H
M
1
2
K
O
H
M
5
0
V
4
7
N
F
0OHM
50V
47NF
1
/
1
6
W
1
0
K
O
H
M
1/ 16W
1KOHM
F
U
0
1
V
0
1
1
0
U
F
1
0
V
0. 01OHM
0. 01OHM
CB2012UA300T
CB2012UA300T
0. 01OHM
1
0
V
SI 4435DDY- T1- GE3
1
/
1
0
W
1
0
0
K
O
H
M
5
.
1
K
O
H
M
10KOHM
50V
100N F
MAX5033DUSA
2
2
K
O
H
M
2
2
0
N
F
5
0
V
M
B
R
S
1
1
0
0
T
3
1
0
U
H
5
0
V
2
2
0
N
F
5
0
V
2
2
0
N
F
S_GND
0OHM
0OHM
47NF
50V
50V
47NF
1
0
0
N
F
5
0
V
2
2
K
O
H
M
2
2
K
O
H
M
0OHM
2
2
K
O
H
M
5
0
V
2
2
0
N
F
2
2
0
N
F
5
0
V
50V
47NF
2
2
0
N
F
5
0
V
5
0
V
2
2
0
N
F
1
0
N
F
1
0
0
V
2
2
0
N
F
5
0
V
1
M
F
1
0
0
V
2
2
0
N
F
5
0
V
100V
1MF
1
0
0
V
1
M
F
2
2
0
N
F
5
0
V
1
.
5
O
H
M
1
.
5
O
H
M
1MF
100V
2
2
0
N
F
5
0
V
2
2
0
N
F
5
0
V
1
0
0
V
1
0
N
F
0OHM
47NF
50V
Y
M
W
0
2
5
-
1
5
R
47NF
50V
0OHM
KST22 22A-TF
400V
2
2
U
F
*
MDGC4
PD4
PD5
PD3
MPR12
ST5 .3V
M
E
G
N
D
V
P
S
B
PD1
-
5
4
V
5
+
5
4
V
5
+
5
4
V
4
P
O
N
CON13
AGND1T
A
-
5
V
2
D
G
N
D
5
T
-
V
F
D
5
T
-
V
P
5
T
A
P
T
P
1
-
5
1
V
A
S
C
2
0
ADJ3
ADJ4
ADJ8
ADJ9
PBD3
PD2
A
S
C
1
2
A
S
C
1
4
A
S
C
7
A
S
C
3
A
S
C
2
S
G
N
D
5
PBD5
PBD1
AGND1
M
P
3
.
3
V
M
P
R
5
M
P
C
3
MIC5
3
.
3
V
C
T
R
L
T
MPQ1
M
P
C
2
M
P
R
2
MPQ2
MPR3
M
P
C
1
M
P
C
1
A
M
P
R
4
M
P
C
9
A
M
P
C
9
MPL1
M
P
C
8
M
P
R
1
1
MPR10
M
P
C
7
M
P
R
9
M
P
C
6
I C3
M
P
R
8
ADJ7
ADJ6
ADJ5
ADJ2
ADJ1
ASL2
L4
A
S
C
2
4
A
S
C
2
3
A
S
R
9
A
S
R
1
0
A
S
C
2
2
MDGR4
M
P
R
7
PBD6
PBD2
P
C
3
PQ1
P
R
1
PR2
P
C
2
PBD4
P
C
1
P
R
1
A
PQ2
V
P
S
T
A
-
5
V
2
T
ASR7
APC21
ASIC1
A
S
R
3
A
S
C
1
5
A
S
D
1
A
S
L
1
A
S
C
2
1
MDGR3
MDGR
2
MDGC
3
MDGC
2
A
S
C
1
9
A
S
R
4
A
S
R
5
MDGR1
A
S
R
6
A
S
C
1
6
A
S
C
1
7
A
S
C
1
8
MDG
C1
A
S
C
1
1
A
S
C
1
+
5
4
V
3
+
5
4
V
2
+
5
4
V
1
+
5
4
V
T
A
S
C
1
3
A
S
C
9
A
S
C
1
0
A
S
R
1
A
S
R
2
S
G
N
D
T
S
G
N
D
1
S
G
N
D
2
A
S
C
8
A
S
C
5
A
S
C
6
A
S
C
4
ASGR2
ASGC2
S
G
N
D
3
S
G
N
D
4
-
5
4
V
4
-
5
4
V
3
-
5
4
V
2
-
5
4
V
T
-
5
4
V
1
SCN1
ASGC1
ASGR1
+
V
F
D
5
T
+
V
F
D
5
D
G
N
D
5
-
V
F
D
5
-
V
P
5
DAB
M
P
C
3
A
3
.
3
V
C
T
R
L
M
P
R
1
A
S
R
8
M
P
C
4
M
P
C
5
P
O
N
T
ST5. 3VT
M
G
N
D
T
M
+
8
V
1
T
M
+
8
V
1
V
F_VP_PW
+VFD
P_ON
P_ON
V
ARI _SMPS
-
VFD
1
2
7
1
1
3
2
3
1
7
8
6
MGND1
5
4
2
2
3
6
8
4
5
7
4
2
5
3
8
1
6
4
7
2
11
3
10
5
8
9
1
13
6
14
15
3
MGND1
11
7
4
5
M
G
N
D
2
9
8
12
1
2
6
10
E
B
C
VI N
VOUT
ADJ
LX
EN
COMP
NC
SS
FB
AGND
VI N
PGND
BST
LX
VD
SGND
GND
VI N
FB
ON/ OFF#
E
B
C
S
D
G
6-2
Copyright© 1995-2013 SAMSUNG. All rights reserved.
Summary of Contents for MX-F870
Page 40: ...5 PCB Diagram 5 3 MAIN PCB Bottom 5 5 Copyright 1995 2013 SAMSUNG All rights reserved...
Page 41: ...5 PCB Diagram 5 4 FRONT JACK PCB Top Copyright 1995 2013 SAMSUNG All rights reserved 5 6...
Page 49: ...5 PCB Diagram 5 9 SPK LED PCB Bottom Copyright 1995 2013 SAMSUNG All rights reserved 5 14...
Page 52: ...5 PCB Diagram 5 11 SMPS PCB Bottom 5 17 Copyright 1995 2013 SAMSUNG All rights reserved...